VAC Call app for iPhone and iPad

VAC Call is a SIP/VoIP softphone application for VoIP calls over Internet network with HD audio quality using common audio codecs for an exceptional calling experience.
VAC Call service is a phone solution for end users or businesses willing to benefit from low cost callings.
Note: You need to be connected to Internet over WiFi/3G and have a VAC Call SIP account to be able to use this softphone.
VAC Calls key features include:
• Local phone number
• Local number portability
• Callback Featuer
• Call recording
• 3-way calling
• Call transfer and att. transfer
• Call forwarding
• Voicemail
• HD audio quality
• Supports iOS11 CallKit
• Now available in 20 languages